89 auto rt4wd shift solenoid/ tcm issue

What's up everyone

My auto rt4wd decided it doesn't want to shift anymore. If i "manually" shift it I have 2nd and 4th gear. I pulled the shift solonoid on the top of the tranny, and the screens were dirty. I cleaned the screens and blasted out the acutal solonoids the best I could, went to test them and they arnt "clicking" like they should be. Any idea on where I can find another one? I've tried all the web sites and called all the local yards around me in NH and it seems like I'm the only one who has an auto rt4wd around here!

Side note, is there a way to test the trans control modual? The book I have doesn't mention anything about it and I've had no luck with the searches. I checked for codes on my ECM and all I have is a code for the 02 sensor.

Thanks in advance!
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